# Oscillations and Waves (AIIMS Physics): Questions 10 - 13 of 50

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## Question number: 10

» Oscillations and Waves » Displacement Relation for a Progressive Wave

Appeared in Year: 2003

MCQ▾

### Question

An earthquake generates both transverse (S) and longitudinal (P) sound waves in the earth. The speed of S waves is about and that of P waves is about. A seismograph records P and S waves from an earthquake. The first P wave arrives 4.0 min before the first S wave. The epicenter of the earthquake is located at a distance of about –

### Choices

Choice (4) Response

a.

250 km

b.

25 km

c.

2500 km

d.

5000 km

## Question number: 11

» Oscillations and Waves » Doppler Effect in Sound

Appeared in Year: 1999

MCQ▾

### Question

A siren emitting sound of frequency 500 Hz is going away form a static listener with a speed of. The frequency of sound to be heard directly from the siren is –

### Choices

Choice (4) Response

a.

434.2 Hz

b.

484.2 Hz

c.

256.5 Hz

d.

589.3 Hz

## Question number: 12

» Oscillations and Waves » Standing Waves in Strings and Organ Pipes

Appeared in Year: 1999

MCQ▾

### Question

If vibrations of a string are to be increased to a factor of two, then tension in the string must be made –

### Choices

Choice (4) Response

a.

Eight times

b.

Half

c.

thrice

d.

Four times

## Question number: 13

» Oscillations and Waves » Speed of a Wave

Appeared in Year: 2002

MCQ▾

### Question

The velocities of sound at the same pressure in two monatomic gases of densities and are and respectively. If, then the value of is?

### Choices

Choice (4) Response

a.

2

b.

c.

4

d.

f Page